<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Worker Window</title>
</head>
<!-- hello -->
<body>
    <h2>Nothing great</h2>
    <script src="worker.js"></script>
</body>

</html>